Relay commands over SSH
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README.markdown

Relay

Relay commands over SSH.

Description

Relay is a simple library that allows you to send commands over SSH. It uses your own SSH, not a Ruby version, so you can profit from your settings and public/private keys.

The following options are available:

-c command
    Executes the command on the passed servers.

-f recipe
    Reads commands from a file and executes them in the passed servers.

Usage

To send a command to two servers called server1 and server2:

$ relay -c "ls -al" server1 server2
$ relay -c "cd foo; ls" server1 server2
$ relay -c "cd foo" -c "ls" server1 server2

If you want to send more commands, you can write a shell script:

$ cat recipe.sh
  cd foo
  ls
  mkdir -p bar/baz

$ relay -f recipe.sh server1 server2

It will execute those commands on both servers and show the output.

You can use each flag many times, so this is possible:

$ relay -f recipe1.sh -f recipe2.sh server1 server2 server3

Installation

$ gem install relay

License

Copyright (c) 2009, 2010 Michel Martens and Damian Janowski

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.